#!/bin/bash

#
# 
# Copyright (c) 2007-2013, University of California / Singapore Management University
#   Lingxiao Jiang         <lxjiang@ucdavis.edu> <lxjiang@smu.edu.sg>
#   Ghassan Misherghi      <ghassanm@ucdavis.edu>
#   Zhendong Su            <su@ucdavis.edu>
#   Stephane Glondu        <steph@glondu.net>
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the University of California nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# 
#

# Usage: $1=min_token, $2=stride, $3=similarity, $4=groupfortuning, $5=vecgroup_filename

# make sure ${GROUPING_S} and ${VECTOR_DIR} are set correctly.

if [[ $# -ne 5 ]]; then
   echo "Error: wrong parameters for paramsetting_groupfile: $@"
   echo "Usage: $0 min_token stride similarity vecgroup_filename groupfortuning vecgroup_filename"
   exit 65
fi

# TODO: may check whether parameters have been set or not...

t=$1
s=$2
sim=$3
groupfortuning=$4
vdb=$5

# convert SIMILARITY to DISTANCE:
i=`echo "$sim ${GROUPING_S}" | awk '{printf( "%.7g\n", sqrt((1-$1)*$2) )}'`

grptuningid=`echo ${groupfortuning} | sed "s/.*vdb_${t}_${s}_g\([0-9]*\)_${i}_${GROUPING_S}.*/\1/"`
grpfileid=`echo "$vdb" | sed "s/.*vdb_${t}_${s}_g\([0-9]*\)_${i}_${GROUPING_S}.*/\1/"`
grpal=0
grpdist=0
if [[ ${grptuningid} -eq $grpfileid ]]; then
   exit 0
elif [[ $grpfileid -eq 1 ]]; then
   grpal=`head -n $(expr $grpfileid + 1) $(dirname "$vdb")/ranges_${i}_${GROUPING_S} | tail -n 1 | awk '{print $3}'`
   grpdist=`echo "$sim ${grpal}" | awk '{printf( "%.7g\n", sqrt((1-$1)*$2) )}'`
else
   grpal=`head -n $(expr $grpfileid + 1) $(dirname "$vdb")/ranges_${i}_${GROUPING_S} | tail -n 1 | awk '{print $2}'`
   grpdist=`echo "$sim ${grpal}" | awk '{printf( "%.7g\n", sqrt((1-$1)*2*$2) )}'`
fi
lineno=`wc -l "$vdb" | awk '{print $1}'`
lineno=$(($lineno / 2))
"`dirname $0`/generateparam" "${groupfortuning}.param" $lineno $grpdist > "${vdb}.param"

